CN109443401A - Photoelectric encoder - Google Patents
Photoelectric encoder Download PDFInfo
- Publication number
- CN109443401A CN109443401A CN201811312021.1A CN201811312021A CN109443401A CN 109443401 A CN109443401 A CN 109443401A CN 201811312021 A CN201811312021 A CN 201811312021A CN 109443401 A CN109443401 A CN 109443401A
- Authority
- CN
- China
- Prior art keywords
- plate
- rotary shaft
- circuit board
- code
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 210000003205 muscle Anatomy 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Abstract
The invention relates to a photoelectric encoder, comprising a circuit board, a rotating shaft, a code disc and a base, wherein the base comprises a bottom plate and an annular supporting plate which are integrally formed, the annular supporting plate is symmetrically provided with inserting plate channels, inserting plates are inserted from two sides of the annular supporting plate of the base and abut against the lower part of the rotating shaft, so that the rotating shaft is fixed in the base, an air gap between the code disc and a photoelectric conversion chip on the circuit board is ensured, the rotating shaft of a motor is inserted into the rotating shaft channels, the rotating shaft of the motor is fixed with the rotating shaft of the photoelectric encoder through a locking device, then the inserting plates are taken out from two sides of the annular supporting plate, and the photoelectric encoder can normally work, the structure not only ensures the safe and simple installation on site, but also ensures the air gap between the code disc and the photoelectric conversion chip on the circuit board, has, the main body of the encoder is made of plastic, a pair of bearings is omitted, and the product cost is reduced by about 30%.
Description
Technical field
The present invention relates to electronic measuring technology field more particularly to a kind of photoelectric encoders.
Background technique
Photoelectric encoder is a kind of the mechanical geometric displacement of output shaft to be converted to pulse or number by photoelectric conversion
The sensor of amount is mainly used in various numerical control devices, is a kind of most sensor of current application, photoelectric encoder mainly by
Code-disc and photoelectric detection system are constituted, and in servo-system, code-disc and motor coaxially cause the rotation of motor to drive code-disc
Rotation, then export several pulse signals through photoelectric detection system, can be calculated currently according to the pulses per second of the signal
The revolving speed of motor.The key problem of incremental photoelectric encoder first is that accurately guaranteeing that the photoelectricity on code-disc and circuit board turns
The air gap between chip is changed, incorporated light photoelectric coder is the main product of current servo in the market, and integral type is compiled
For code device, due to there is the presence of metal (upper, shafting size is easy to be fixed, but it is big, at high cost in the presence of such as volume
The defects of.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of light small in size is provided
Photoelectric coder.
The present invention is to be achieved by the following technical programs:
A kind of photoelectric encoder, which is characterized in that including circuit board, the rotary shaft being rotatablely connected with circuit board and rotation
The affixed code-disc of axis and the pedestal equipped with luminous tube, the circuit board, rotary shaft, code-disc and the middle of the base are provided with shaft
Channel, the rotary shaft middle part outwardly protrude to form connection ring muscle, and the connection ring muscle is connected with code-disc upwards, and feature exists
In the pedestal includes that integrally formed bottom plate and the annular support plate set on bottom plate surrounding, the annular support plate are symmetrical
It is provided with plate channel, plate is plugged in the plate channel, the plate is opposite to be connected to rotary shaft lower part outer wall, makes described
There are gap, the rotary shaft top is equipped with locking device for code-disc upper surface and circuit board lower surface.
According to the above technical scheme, it is preferable that the shape and rotary shaft outer surface of the plate and rotary shaft contact one side
It matches.
According to the above technical scheme, it is preferable that the plate includes integrally formed cutting and on the outside of cutting
Fixed block, the annular support plate are symmetrically provided with and fix the block-shaped fixing groove matched, and the fixing groove inner surface is opposite
It is provided with the plate channel matched with cutting shape.
According to the above technical scheme, it is preferable that fixed ring is connected on the bottom plate, the fixed ring is with respect to the attracted numbers
It is provided with the fixation channel matched with cutting shape.
According to the above technical scheme, it is preferable that the locking device is clamping screw.
The beneficial effects of the present invention are:
Plate is connected to rotary shaft lower part from the insertion of the annular support plate two sides of pedestal, is fixed on rotary shaft in pedestal,
Both it ensure that the air gap between the photoelectric conversion chip on code-disc and circuit board, and in turn ensured code-disc and photoelectric conversion chip
Concentricity, by the shaft of motor insertion shaft channel, by locking device by the shaft and photoelectric encoder of motor
Rotary shaft fix, then plate is taken out from annular support plate two sides, due to rotary shaft lower end and bottom plate exist it is certain between
Gap makes the rotation of motor drive the rotation of code-disc, can work normally, and structure design had both guaranteed that scene can be safe and simple
Installation, and guarantee the air gap between the photoelectric conversion chip on code-disc and circuit board, compare integral type encoder volume
Small, height declines about 15mm, is more suitable for the demand of servosystem miniaturization, encoder main body becomes plastic material, and saves one
To bearing, product cost decline about 30%.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is the top view structural schematic diagram of base portion of the present invention.
In figure: 1. shafts, 2. clamping screws, 3. circuit boards, 4. pedestals, 5. rotary shafts, 6. code-discs, 7. connection ring muscle, 8.
Plate, 9. luminous tubes, 10. fixed rings.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, the present invention includes that the rotary shaft 5 that circuit board 3 and circuit board 3 are rotatablely connected and rotary shaft 5 are affixed
Code-disc 6 and pedestal 4 equipped with luminous tube 9, the circuit board 3, rotary shaft 5, code-disc 6 and 4 middle part of pedestal are provided with shaft
Channel outwardly protrudes to form connection ring muscle 7 in the middle part of the rotary shaft 5, and the connection ring muscle 7 is connected with code-disc 6, feature upwards
It is, the pedestal 4 includes integrally formed bottom plate and the annular support plate set on bottom plate surrounding, the annular support plate pair
Title is provided with 8 channel of plate, and plate 8 is plugged in 8 channel of plate, and the plate 8 is opposite to be connected to outside 5 lower part of rotary shaft
Wall, makes 6 upper surface of code-disc and 3 lower surface of circuit board there are gap, and 5 top of rotary shaft is equipped with locking device, plate 8
From the annular support plate two sides of pedestal 4, insertion is connected to 5 lower part of rotary shaft, is fixed on rotary shaft 5 in pedestal 4, both ensure that
The air gap between photoelectric conversion chip on code-disc 6 and circuit board 3 in turn ensures the same of code-disc 6 and photoelectric conversion chip
The shaft 1 of motor is inserted into shaft channel by heart degree, by locking device by the shaft 1 of motor and photoelectric encoder
Then the fixation of rotary shaft 5 takes out plate 8 from annular support plate two sides, due between 5 lower end of rotary shaft and bottom plate presence centainly
Gap makes the rotation of motor drive the rotation of code-disc 6, can work normally, and structure design had both guaranteed that scene can safe letter
Just installation, and guarantee the air gap between the photoelectric conversion chip on code-disc 6 and circuit board 3, compare integral type encoder
Small in size, height declines about 15mm, is more suitable for the demand of servosystem miniaturization, encoder main body becomes plastic material, and saves
Go a pair of bearings, product cost decline about 30%.
According to above-described embodiment, it is preferable that the plate 8 contacts shape and 5 outer surface of rotary shaft of one side with rotary shaft 5
It matches, so that plate 8 is fitted closely from two sides and rotary shaft 5, so that rotary shaft 5 is fixed stronger in pedestal 4.
According to above-described embodiment, it is preferable that the plate 8 includes integrally formed cutting and consolidating on the outside of cutting
Determine block, the annular support plate is symmetrically provided with to be opened relatively with the fixed block-shaped fixing groove matched, the fixing groove inner surface
There is 8 channel of plate matched with cutting shape, fixed block and the fixing groove of plate 8 fit closely, and cutting is out of plate 8 channel
Insertion is connected to the two sides of rotary shaft 5, and even closer being placed in annular support plate of plate 8 is made to avoid falling off easily.
According to above-described embodiment, it is preferable that be connected with fixed ring 10, the opposite plate 8 of the fixed ring 10 on the bottom plate
Position is provided with the fixation channel matched with cutting shape, and the setting of fixed ring 10 is further ensured that cutting is fixed in pedestal 4
It is stronger so that vertical misalignment does not occur for rotary shaft 5.
According to above-described embodiment, it is preferable that the locking device is clamping screw 2, and 5 top of rotary shaft is provided with threaded hole,
The shaft 1 of motor and 5 upper screwed hole relative position of rotary shaft are provided with identical threaded hole, and clamping screw 2 is connected through a screw thread
The shaft 1 of motor and the rotary shaft 5 of photoelectric encoder is fixed.
Plate 8 is connected to 5 lower part of rotary shaft from the insertion of the annular support plate two sides of pedestal 4, and rotary shaft 5 is made to be fixed on pedestal
In 4, the air gap between the photoelectric conversion chip on code-disc 6 and circuit board 3 both ensure that, in turn ensure code-disc 6 and photoelectricity
The shaft 1 of motor is inserted into shaft channel by the concentricity of conversion chip, by locking device by the shaft 1 of motor with
The rotary shaft 5 of photoelectric encoder is fixed, then takes out plate 8 from annular support plate two sides, due to 5 lower end of rotary shaft and bottom plate
There are certain gaps, so that the rotation of motor is driven the rotation of code-disc 6, can work normally, and structure design both guarantees existing
Installation that can be safe and simple, and guarantee the air gap between the photoelectric conversion chip on code-disc 6 and circuit board 3, it compares
Integral type encoder is small in size, and height declines about 15mm, is more suitable for the demand of servosystem miniaturization, and encoder main body becomes moulding
Expect material, and saves a pair of bearings, product cost decline about 30%.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of photoelectric encoder, which is characterized in that including circuit board, rotary shaft and rotary shaft with circuit board rotation connection
Affixed code-disc and the pedestal equipped with luminous tube, it is logical that the circuit board, rotary shaft, code-disc and the middle of the base are provided with shaft
Road, the rotary shaft middle part outwardly protrude to form connection ring muscle, and the connection ring muscle is connected with code-disc upwards, which is characterized in that
The pedestal includes that integrally formed bottom plate and the annular support plate set on bottom plate surrounding, the annular support plate are symmetrically provided with
Plate channel is plugged with plate in the plate channel, and the plate is opposite to be connected to rotary shaft lower part outer wall, makes the code-disc
There are gap, the rotary shaft top is equipped with locking device for upper surface and circuit board lower surface.
2. a kind of photoelectric encoder according to claim 1, which is characterized in that the shape of the plate and rotary shaft contact one side
Shape is matched with rotary shaft outer surface.
3. a kind of photoelectric encoder according to claim 2, which is characterized in that the plate include integrally formed cutting with
And the fixed block on the outside of cutting, the annular support plate is symmetrically provided with and fixes the block-shaped fixing groove matched, described
Fixing groove inner surface is opposite to be provided with the plate channel matched with cutting shape.
4. a kind of photoelectric encoder according to claim 3, which is characterized in that fixed ring is connected on the bottom plate, it is described
Fixed ring is provided with the fixation channel matched with cutting shape with respect to the attracted numbers.
5. according to claim 1 to any one of 4 a kind of photoelectric encoder, which is characterized in that the locking device
For clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312021.1A CN109443401A (en) | 2018-11-06 | 2018-11-06 | Photoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312021.1A CN109443401A (en) | 2018-11-06 | 2018-11-06 | Photoelectric encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443401A true CN109443401A (en) | 2019-03-08 |
Family
ID=65551643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811312021.1A Pending CN109443401A (en) | 2018-11-06 | 2018-11-06 | Photoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443401A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408013Y (en) * | 2009-04-13 | 2010-02-17 | 江苏合丰机械制造有限公司 | Installing structure of transmission component in coder |
| CN203550974U (en) * | 2013-08-24 | 2014-04-16 | 叶建丰 | Compact-type photoelectric rotary encoder |
| CN207036137U (en) * | 2017-07-11 | 2018-02-23 | 长春市倍信光电自控仪器有限公司 | Small servo encoder |
| CN207036131U (en) * | 2017-07-11 | 2018-02-23 | 长春市倍信光电自控仪器有限公司 | It is double go out shaft encoder |
| CN207142317U (en) * | 2017-07-14 | 2018-03-27 | 河南中烟工业有限责任公司 | Code-disc machine |
| CN207798168U (en) * | 2018-01-28 | 2018-08-31 | 广州大卓自动化仪表有限公司 | A kind of inserted electromagnet flow meter sensor |
-
2018
- 2018-11-06 CN CN201811312021.1A patent/CN109443401A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408013Y (en) * | 2009-04-13 | 2010-02-17 | 江苏合丰机械制造有限公司 | Installing structure of transmission component in coder |
| CN203550974U (en) * | 2013-08-24 | 2014-04-16 | 叶建丰 | Compact-type photoelectric rotary encoder |
| CN207036137U (en) * | 2017-07-11 | 2018-02-23 | 长春市倍信光电自控仪器有限公司 | Small servo encoder |
| CN207036131U (en) * | 2017-07-11 | 2018-02-23 | 长春市倍信光电自控仪器有限公司 | It is double go out shaft encoder |
| CN207142317U (en) * | 2017-07-14 | 2018-03-27 | 河南中烟工业有限责任公司 | Code-disc machine |
| CN207798168U (en) * | 2018-01-28 | 2018-08-31 | 广州大卓自动化仪表有限公司 | A kind of inserted electromagnet flow meter sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200716 Address after: No.99, zhuangchi Middle Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Applicant after: DORNA TECHNOLOGY Co.,Ltd. Address before: 300 000 No. 13, Ziyuan Road, Huayuan Industrial Zone, Binhai High-tech Zone, Nankai District, Tianjin - B-601-1 Applicant before: BEIHEMAN INDUSTRIAL TECHNOLOGY (TIANJIN) Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |
|
| RJ01 | Rejection of invention patent application after publication |